Home / 2,789.03-4,180.44-1,325.11

Finding the Fourth Proportional to 2,789.03, 4,180.44 and 1,325.11

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Solution

The fourth proportional to 2,789.03, 4,180.44 and 1,325.11 is: 1,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.03 : 4,180.44 = 1,325.11 : x
  2. Step 2: Convert to fraction form
    2,789.03/4,180.44 = 1,325.11/x
  3. Step 3: Cross multiply
    2,789.03x = 4,180.44 × 1,325.11
  4. Step 4: Simplify right side
    2,789.03x = 5,539,534.02
  5. Step 5: Solve for x
    x = 5,539,534.02/2,789.03
  6. Step 6: Final answer
    x = 1,986.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.